1647539

Information

• Patent Grant
• 1647539

• References
• Source

• Patent Number

  1,647,539

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1927
  96 years ago

• CPC

  • D06P1/36 - using mordant dyes; using metallisable dyes

• US Classifications

  • 008 - Bleaching and dyeing